They are the only cells with chloroplast
A hypothesis cannot be wrong, because it is an educated guess. You cannot prove a guess wrong. A guess is something you think, and there is no right or wrong answer to thoughts.
Once the DNA of a person has been copied it can be compared to the DNA of other people by using PCR (Polymerase Chain Reaction).
If you have 3 big circles in a graph the inside being organs the middle being tissues and the outer being cells. It would be#4. Hope this helps
It is water pollution, since you are polluting the river.
Hope I helped!
